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DownArrow \[DownArrow]

FilledSmallSquare Infix arrow operator.

FilledSmallSquare x y is by default interpreted as DownArrow[x, y].

FilledSmallSquare Used to indicate monotonic decrease to a limit.

FilledSmallSquare Sometimes used for logical nor.

FilledSmallSquare Sometimes used in prefix form to indicate the closure of a set.

FilledSmallSquare Extensible character.

FilledSmallSquare See Section 3.10.4.

FilledSmallSquare See also: \[DownTeeArrow] , \[DownArrowBar] , \[DoubleDownArrow] , \[LeftDownVector] , \[UpArrow] .